下列海上风险中,现在由海洋货运战争险予以承保的是()。 ["战祸","捕获","扣押","政府和人民的限制","限制"]
补偿贸易收入的交易编码为(). ["101020","111000","111111","110110"]
在下列网络安全备份方式中,恢复时间最短的是() ["完全备份","增量备份","差分备份","按需备份"]
相量图中,线段的长度按一定比例表示相量的()。 ["有效值","最大值","平均值","瞬时值"]
一般贸易收入的交易编码为(). ["101010","111000","111111","110110"]
固定短语